310 entries under certain topic. ×
| unshaken(adjective, set, clear, strong, flat) | |
| unyielding(adjective, strong, tough, flat, firm) | |
| complete(adjective, clear, sound, correct, flat) | |
| composed(adjective, calm, quiet, cool, solid) | |
| consummate(adjective, clear, complete, total) | |
| downright(adjective, adverb, clear, complete, flat) | |
| easy(adjective, calm, quiet, strong, cool) | |
| ensured(adjective, solid, confident, settled) | |
| inerrant(adjective, complete, valid, unquestionable) | |
| inflexible(adjective, strong, tough, flat, firm) | |
| irresistible(adjective, set, necessary, indisputable) | |
| outright(adjective, clear, complete, flat, total) | |
| perfect(adjective, clear, complete, correct, total) | |
| resolved(verb, adjective, strong, flat) | |
| sealed(adjective, solid, definite, confident) | |
| sure-fire(adjective, informal, definite, assured) | |
| tried-and-true(adjective, good, strong, honest, solid) | |
| unassailable(adjective, set, true, safe) | |
| unmitigated(adjective, clear, complete, flat, total) | |
| warranted(adjective, definite, valid, assured) |
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| APA | Smart Define. (2016). sure thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sure/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sure thesaurus" https://smartdefine.org/sure/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, sure thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sure/thesaurus/synonyms>. |
| MLA | Smart Define. "sure thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/sure/thesaurus/synonyms> |